bush, bill clinton, and jimmy carter -- are also attending the service today. bill whitaker is inside the stadium in soweto near johannesburg. bill, good morning. >> reporter: good morning to you and our viewers in the west. people are streaming out of the stadium now. earlier they were streaming in. citizens of south africa and dignitaries from around the world. the emotional high point today, the speech by president barack obama. the cars bearing world leaders and world famous celebrities pulled up to the fmb stadium in a steady stream. the people of south africa streamed in, too, walking and dancing. they entered the stadium only half full, the steady rain may have kept people away, but it didn't dampen the spirit. they celebrated nelson mandela with songs. ♪ they paid tribute to the prisoner who became president, whose politics of peace changed south africa and touched the world. >> to the people of south afriafric africa -- [ cheers and applause ]. >> including a young college student named barack obama. >> in every walk of life, the world thanks you for